共找到 150 条与 气相色谱用对照品 无水乙醇 相关的标准,共 10

1含量(C2H5OH),w/% ≥ 99.9 2密度(20℃),ρ/(g/mL) 0.789~0.791 3与水混合试验 合格 4蒸发残渣,ω/% ≤ 0.0005 5酸度(以 H+计),b/(mmol/g) ≤ 0.0002 6碱度(以 OH-计),b/(mmol/g) ≤ 0.00005 7水分(H2O),w/% ≤ 0.2 8甲醇(CH3OH),w/% ≤ 0.02 9异丙醇[(CH3)2CHOH] ,w/% ≤ 0.003 10羰基化合物(以 CO 计),w/% ≤ 0.003 11易炭化物质 合格 12铁(Fe),w/% ≤ 0.00001 13锌(Zn),w/% ≤ 0.00001 14还原高锰酸钾物质(以 O 计),w/% ≤ 0.00025

Chemical reagent — Reference material for gas chromatography — Ethanol

1含量(CH3OH), 2密度(20℃), 3与水混合试验 合格 4蒸发残渣, 5水分(H2O), 6酸度(以 H+计), 7碱度(以 OH-计), 8易炭化物质 合格 9羰基化合物(以 CO 计), 10还原高锰酸钾物质(以 O 计), 12乙醇(CH3CH2OH), 13丙酮(CH3COCH3),

Chemical reagent — Reference material for gas chromatography — Methanol

Chemical reagents Gas chromatography reference substance n-butanol

1含量(C3H8O),w /% ≥ 99.90 2密度(20℃),ρ/(g/mL) 0.784~0.786 3蒸发残渣,w /% ≤ 0.001 4与水混合试验 合格 5酸度(以 H+计),b/(mmol/g) ≤ 0.0003 6还原高锰酸钾物质 合格 7易炭化物质 合格 8羰基化合物(以 CO 计),w /% ≤ 0.005 9甲醇(CH3OH),w /% ≤ 0.1 10铁(Fe),w /% ≤ 0.00001 11水分(H2O),w /% ≤ 0.1

Chemical reagent — Reference material for gas chromatography — Isopropanol

Chemical reagents Gas chromatography reference substance ethyl acetate

Chemical reagents Gas chromatography reference substance tetrachloroethylene

本标准规定了化学试剂  高效液相色谱用试剂  乙醇(无水乙醇)的性状、规格、试验、检验规则和包装及标志。 本标准适用于化学试剂  高效液相色谱用试剂  乙醇(无水乙醇)的检验。

Chemical reagent— Ethanol for high performance liquid chromatography

含量(C4H8O),w/% 色度/黑曾单位 密度(20℃),ρ/(g/ml) 折光率() 与水混合试验 蒸发残渣,w/% 水分(H2O),w/% 酸度(以H+计),b/(mmol/g) 还原高锰酸钾物质(以O计),w/% 易炭化物质 丙酮(CH3COCH3),w/% 甲醇(CH3OH),w/% 异丙醇[(CH3)2CHOH],w/% 乙醇(CH3CH2OH),w/% 仲丁醇(CH3CHOHCH2CH3),w/% 正丙醇(CH3CH2CH2OH),w/% 正己烷(C6H14),w/% 异丙醚[(CH3)2CHOCH(CH3)2],w/%

Chemical reagent — Reference material for gas chromatography — 2-Butanone

Chemical reagents Gas chromatography reference substance Toluene

Chemical reagents Gas chromatography reference substance Chlorobenzene

Chemical reagents Gas chromatography reference substance acetone

Schválení ST SEV 2969-81 doporu?ilo ministerstvo pr?myslu ?SSR, Praha. Zpracovatel: Chemopetrol, k. p., Chemické závody ?SSP Litvínov -Luděk Laurich Oborové normaliza?ní st?edisko: V?zkumn? ústav organick?ch syntéz, Pardubice Pracovník tí?adu pro normalizaci a mě?ení: Ing. Jana Fikarová

Determination of ethanol by gas chroma- tography

Chemical reagents Gas chromatography reference substance n-octane

Chemical reagents Reference substance for gas chromatography n-heptane

Gas chromatography analysis of special dehydrated ethanol SD-3A method




Copyright ©2007-2026 ANTPEDIA, All Rights Reserved
京ICP备07018254号 京公网安备1101085018 电信与信息服务业务经营许可证:京ICP证110310号
页面更新时间: 2026-07-27 20:51